linux-kernel - Re: Too many I/O controller patches

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Message-ID: <48974BD3.6050503@linux.vnet.ibm.com>
Date:	Tue, 05 Aug 2008 00:04:59 +0530
From:	Balbir Singh <balbir@...ux.vnet.ibm.com>
To:	Dave Hansen <dave@...ux.vnet.ibm.com>
CC:	Ryo Tsuruta <ryov@...inux.co.jp>, xen-devel@...ts.xensource.com,
	containers@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org,
	virtualization@...ts.linux-foundation.org, dm-devel@...hat.com,
	agk@...rceware.org, Andrea Righi <righi.andrea@...il.com>
Subject: Re: Too many I/O controller patches

Dave Hansen wrote:
> On Mon, 2008-08-04 at 17:51 +0900, Ryo Tsuruta wrote:
>> This series of patches of dm-ioband now includes "The bio tracking mechanism,"
>> which has been posted individually to this mailing list.
>> This makes it easy for anybody to control the I/O bandwidth even when
>> the I/O is one of delayed-write requests.
> 
> During the Containers mini-summit at OLS, it was mentioned that there
> are at least *FOUR* of these I/O controllers floating around.  Have you
> talked to the other authors?  (I've cc'd at least one of them).
> 
> We obviously can't come to any kind of real consensus with people just
> tossing the same patches back and forth.

Ryo and Andrea - Naveen and Satoshi met up at OLS and discussed their approach.
It would be really nice to see an RFC, I know Andrea did work on this and
compared the approaches.

-- 
	Warm Regards,
	Balbir Singh
	Linux Technology Center
	IBM, ISTL
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